MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Manual do Utilizador descarregar pdf (Página 55)

TUTORIALS POINT

Simply Easy Learning Page 50

S.N.

Method & Description

EventDispatcher(target:IEventDispatcher = null)

Aggregates an instance of the EventDispatcher class.

addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0,

useWeakReference:Boolean = false):void

Registers an event listener object with an EventDispatcher object so that the listener receives notification

of an event.

dispatchEvent(event:Event):Boolean

Dispatches an event into the event flow.

hasEventListener(type:String):Boolean

Checks whether the EventDispatcher object has any listeners registered for a specific type of event.

removeEventListener(type:String, listener:Function, useCapture:Boolean = false):void

Removes a listener from the EventDispatcher object.

willTrigger(type:String):Boolean

Checks whether an event listener is registered with this EventDispatcher object or any of its ancestors

for the specified event type.

Events

Following are the events for flash.events.EventDispatcher class:

S.N.

Event & Description

activate

Dispatched when the Flash Player gains operating system focus and becomes active.

detivate

Dispatched when the Flash Player loses operating system focus and becomes inactive.

Methods inherited

This class inherits methods from the following class:

 Object

UIComponent Class

Introduction

The UIComponent class is the base class for all visual components, both interactive and noninteractive.

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MACROMEDIA FLEX-FLEX ACTIONSCRIPT LANGUAGE Manual do Utilizador Página 55